1VideoConverence is Web2.0 audio-video conference
call software for Asterisk with support for Web,
phone, MSN, Skype, Yahoo, and Jabber clients. This
VoIP and VVoIP conferencing app for business,
government, education, and health care is based on
C#, WinFX, XAML, and .NET 3.0.

4PSA VoipNow is PBX software for service providers and enterprises. Easy to use and deploy, it can run on x86 or PowerPC based servers and delivers advanced IP telephony services. It can be deployed in various working scenarios to provide hosted VoIP services in high availability xSP environments, advanced call center services, or enterprise telephony in organizations of all sizes. A free Express version is available.

AVChat is audio and video chat software based on
Flash Communication Server with an easy to use
interface. It supports real time audio/video
communication with bandwidth control and automatic
webcam and microphone detection, enhanced text
chat with a language filter and bold/italic/color
options, a users list with genre/camera/admin
icons, private and public rooms, an admin section
with log review and ban/kick by IP, a nick filter,
and support for free and premium users. A PHP file
is used for configuration options. Flash
Communication Server is used for the
text/audio/video streams.

Akeni Enterprise Instant Messaging is a messaging
system that offers strong encryption and
integration with Active Directory and LDAP. It
also provides corporate messaging policy
management through the use of public groups and
role based user access rights. All messages can be
logged into flat files and databases to allow for
searching and auditing. The role based access
right system allows the administrator to control
whether users are allowed to send files, initiate
chats and conferences, and to "lock down" users'
contact lists.

Akeni Instant Messaging Server Pro is a
client/server instant messaging platform that
allows companies to host their own secured private
IM system. The client has an user interface
similar to AIM, ICQ, or MSN Messenger. It supports
all the standard IM features such as chat, group
conference, presence management, file transfer,
offline messages, and emergency
alert/notification. Extra features include contact
management and optional tabbed chat sessions. The
server has advanced administration tools for
managing user accounts, client-side logging
capabilities, and peer-to-peer file transfers. It
can be set up on a private network without
connecting to the Internet, and can easily be set
up for use inside and outside of the company firewall.

Akeni LAN messenger is a cross-platform instant messenger client. It is a P2P program that works on your LAN without the need of an Internet connection or a dedicated server. The client has an user interface similar to AIM, ICQ, or MSN Messenger. It supports all the standard IM features such as chat, group conference, presence management, file transfer, and emergency alert/notification. Extra features include contact management and optional tabbed chat sessions.

Akeni Secure Messaging server is a secured
client/server instant message solution for
business. It supports standard messaging features
such as chat, conference (group chat),
notification, and file transfer, and a rich
client. The Expert Edition also offers advanced
enterprise IM features such as 128-bit encryption
and server side message logging. Messages can be
logged into a full searchable database or flat
files for auditing purposes. The system also
offers enterprise manageability through the use of
shared folders and role-based user access rights.

Akeni Web Chat is an IM system designed for
universal accessibility and ease of deployment.
With its browser-based client, there is no need to
install any client side software. It is also
firewall friendly and can be used whenever you
have access to a Web browser. The rich client
supports chat, notification, and conferencing. It
also allows your staff to provide real time sales
information and technical support to your customer
using a simple Web-based interface.

Apache OpenMeetings is a multi-language customizable video-conferencing and collaboration system. It supports audio/video and allows you to see the desktop of any participant. It includes a whiteboard, the ability to import a variety of image formats, invitations, a moderation system, backup and language modules, private and public conference rooms, and the ability to record meetings. The project also provides integrations for Asterisk, Jira, Confluence, Moodle, Sakai, and SugarCRM, and connectors for LDAP and ADS.